Neerslag — 2026
| Month | Leidschendam-Voorburg | Wassenaar | Difference |
|---|---|---|---|
| Jan | 103.7 mm | – | – |
| Feb | 54.7 mm | – | – |
| Mar | 67.3 mm | 3.5 mm | +63.8 |
| Apr | 3.4 mm | 3.4 mm | +0.0 |
| May | 51.3 mm | 37.7 mm | +13.6 |
| Jun | 75 mm | 71.1 mm | +3.9 |
| Jul | 14.7 mm | 16.5 mm | -1.8 |
| Aug |
| 60.1 mm |
| 100.7 mm |
| -40.6 |
| Sep | 70.5 mm | 110.6 mm | -40.1 |
| Oct | 91.6 mm | 139.3 mm | -47.7 |
| Nov | – | – | – |
| Dec | – | – | – |